CVE-2026-17033

An authenticated attacker with Editor access or alert.instances.external:write can submit an external Alertmanager alert containing a controlled generatorURL. The attacker is authorized to create the alert, but not to execute script in another user's Grafana session. Grafana renders...

CVE-2026-17033 CVE-2026-17033 CVE Record

An authenticated attacker with Editor access or alert.instances.external:write can submit an external Alertmanager alert containing a controlled generatorURL. The attacker is authorized to create the alert, but not to execute script in another user's Grafana session. Grafana renders...

GO-2023-2020 vulnerabilities

Vulnerabilities for packages: promxy, prometheus-alertmanager...

GO-2024-2883 vulnerabilities

Vulnerabilities for packages: fulcio-fips, rekor-fips, cortex, timestamp-authority, timestamp-authority-fips, fulcio, grafana-mimir, rekor, prometheus-alertmanager, argo-cd, cortex-fips, prometheus-alertmanager-fips...

GO-2023-2020 vulnerabilities

Vulnerabilities for packages: promxy, prometheus-alertmanager...

GO-2024-2883 vulnerabilities

Vulnerabilities for packages: cortex, grafana-mimir, prometheus-alertmanager, timestamp-authority, fulcio, rekor...

CVE-2026-67990

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

CLEANSTART-2026-ZO84411 Security fixes in prometheus-alertmanager 0.26.0-r0

Package prometheus-alertmanager version 0.26.0-r0 fixes 1 vulnerabilities: CVE-2023-40577...

CLEANSTART-2026-ZP59365 Security fixes in prometheus-alertmanager 0.32.0-r1

Package prometheus-alertmanager version 0.32.0-r1 fixes 19 vulnerabilities: CVE-2026-39835, CVE-2026-46598, CVE-2026-25681, CVE-2026-27136, CVE-2026-42502...

CVE-2026-67990

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

CVE-2026-67990

Technical details are not publicly available in the provided documents; monitor for updates.

EUVD-2026-58031

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

CVE-2026-67990

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

CVE-2026-21723

A flaw was found in Grafana. A remote attacker with very low privileges, or even anonymous access if enabled, can exploit the alertmanager templates test endpoint by mass-executing templates. This can lead to an Out-Of-Memory OOM error, causing the Grafana service to crash and resulting in a Deni...

SUSE CVE-2026-21723

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

CVE-2026-21723

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

CVE-2026-21723 CVE-2026-21723 Record

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

EUVD-2026-47869

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

CVE-2026-21723 CVE-2026-21723 Record

The alertmanager templates test endpoint /api/alertmanager/grafana/config/api/v1/templates/test can execute templates with no memory limits. Mass-executing templates in a short period causes OOM and crashes the Grafana service. The endpoint requires very low privileges and is exploitable with...

CVE-2026-21723

CVE-2026-21723 affects Grafana, specifically the alertmanager templates test endpoint at /api/alertmanager/grafana/config/api/v1/templates/test. The endpoint can execute templates with no memory limits, and mass execution in a short time can cause out-of-memory (OOM) and crash the Grafana service...